from register import register_codec

def encode(text):
    text = text.lower()
    result = ""

    for char in text:
        if char.isalpha() or char == " ":
            if char not in "aeiou":
                result += char

    return result.encode("utf8")

def decode(data):
    text = bytes(data).decode("utf8")
    return text

register_codec(encode, decode, "mycodec")